Boom microphone



FIG. 1 is a perspective view of a boom microphone showing our new design, the cord is drawn broken away to illustrate indeterminate length;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 a top view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for a boom microphone, substantially as shown and described. 